简单的Epub阅读器，实现了自动分页、目录索引、搜索等功能-Simple Epub reader, automatic paging, directory, index, search functions

实现UIWebView的离线浏览功能. 将get请求的数据缓存在本地cache目录中，以后访问的时候直接从cache中获取数据。-Realize UIWebView offline browsing. Would get the requested data cache in the local cache directory when accessed after obtaining data directly from the cache.